The Beadsmith Fireline by Berkley is the perfect beading thread for all your jewelry making needs. This micro-fused braided thread is made of polyethylene and has a 6lb. test and 006" diameter, making it strong enough to hold even your heaviest beads in place. The crystal color of this thread is perfect for adding a touch of sparkle to your designs.Not only is the Fireline strong, but it also features a braided design that helps prevent fraying and allows for easy threading through even the smallest of beads. This lb unit type of thread is perfect for those who need a larger quantity of thread for their projects. Whether you're a beginner or a seasoned jewelry maker, the Beadsmith Fireline is a must-have in your crafting supplies.